Surveys
Underwater operations in progress until 10 mar by M/V osa vigilant towing submersible vicinity of trackline…
HYDROLANT 745/01
- issued
- 2001-03-05 15:22Z
- status
- cancelled 2001-03-11 00:00Z (archive)
- authority
- NAVAREA V 424/01 AOR-E EGC #624 051446Z MAR 01
- sea
- South Atlantic Ocean
- position
- -23.730, -44.928
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 10 MAR BY M/V OSA VIGILANT TOWING SUBMERSIBLE VICINITY OF TRACKLINE BETWEEN 23-10.6S 043-34.4W AND 24-17.0S 046-17.0W. TWO MILE BERTH REQUESTED. 2. CANCEL THIS MSG 11 MAR.
This area · survey operations
433 within 180 nm since 2000 · 3 in the last 12 months · 0 in force now
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26
- Underwater operations 1000Z to 2000Z daily until 25 aug by vessel nomar in 24-07.27S 046-09.30W2026-08-20
- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- Underwater operations in progress until 19 may in 23-04.0S 043-02.5W2024-04-21
- Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…2024-04-17
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sepNav aids · 44 nm
- Odas buoy established in 24-06.36S 045-38.78WNav aids · 45.4 nm
- Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sepNav aids · 101.4 nm
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.